The Bolt,shear, cataloged under National Stock Number 5306-01-331-7556, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-331-7556 |
| Primary Part Number | 03A099-5-26 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Extended Washer Thickness | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Head Height | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Fastener Length | 2.148 INCHES MINIMUM AND 2.178 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Thread Length | 0.513 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.383 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 03A099-5-26 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| MB210-5-26 | Hi-Shear Corporation (USA) |
| SII1182-5-26 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 03A099-5-26 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| AIC1654-5-26 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VCG0016-5-26 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB210-5-26 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| X384-5-26 | Brooks Instruments Ltd (CAN) |
| 123710-5-26 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SLB187-5-26 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| PBF1421-5-26 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 123710-5-26 | 5/2 Secondary reference U.S. Government activity |
| DF33004-5-26 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3318-5-26 | 5/2 Secondary reference U.S. Government activity |
| X384-5-26 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5306-01-331-7556 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-331-7556 has 11 manufacturer part numbers on file: 03A099-5-26 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), MB210-5-26 (Hi-Shear Corporation), SII1182-5-26 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), 03A099-5-26 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), AIC1654-5-26 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 6 more.
Key specifications for 03A099-5-26: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.